How to best use CCR within ASP.NET is something that has come up a number of times. Certainly the powerful concurrency and coordination tools that CCR provides make this an obvious question. ASP.NET provides a mechanism to run asynchronous tasks, complete with timeout support. When the asynchronous tasks all register completion the page finishes the prerender stage. To make this work with CCR I created an adapter which presents itself to ASP.NET as a classic .Net async task - using the asynchronous programming model (APM), but presents itself to the CCR programmer as a SuccessFailurePort to post a message to when async processing is complete. ...